MAX189CEWE+ Equivalent & Substitute Parts

Part Overview

The MAX189CEWE+ is a 12-bit Analog to Digital Converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated, designed for single-ended input data acquisition applications. This SAR (Successive Approximation Register) architecture device operates at a 75 kSPS sampling rate with SPI digital interface and external voltage reference configuration. The component is classified as Active product status with full RoHS3 compliance and REACH unaffected designation, making it suitable for current production and procurement cycles. Alternative equivalent parts may be required due to inventory constraints, regional availability, or supply chain optimization.

Substiute Parts

MAX189CEWE+

Analog Devices Inc./Maxim IntegratedIn Stock: 1192MAX189CEWE+ Datasheet

Current PartRFQ

MAX189CEWE+

Analog Devices Inc./Maxim IntegratedIn Stock: 1192MAX189CEWE+ Datasheet

DirectRFQ

MAX189AEWE+

Analog Devices Inc./Maxim IntegratedIn Stock: 1100MAX189AEWE+ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX189CEWE+ is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters establish the substitution criteria:

• 12-bit resolution requirement
• 75 kSPS sampling rate specification
• Single-ended input configuration with 1 input channel
• SAR architecture with external reference
• SPI digital interface protocol
• 5V analog and digital supply voltage requirements
• 16-SOIC surface mount package format
• Operating temperature range of -40°C to 85°C
• RoHS3 compliance and MSL 1 rating

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes. The MAX189AEWE+ satisfies all specified criteria and is therefore a valid substitute for the MAX189CEWE+.

Parameter Comparison

Engineering Selection Recommendations

Both MAX189CEWE+ and MAX189AEWE+ are Active product status components manufactured by Analog Devices Inc./Maxim Integrated. Selection between these parts should be based on availability and procurement requirements. Both parts carry identical RoHS3 compliance certification and REACH unaffected status, confirming regulatory equivalence for current production applications. The MSL 1 rating on both parts indicates unlimited shelf life under standard storage conditions. No technical differentiation exists between these components based on provided specifications; selection is therefore driven by inventory status and supply chain considerations.

Frequently Asked Questions (FAQ)

Q: Can MAX189AEWE+ be used as a direct replacement for MAX189CEWE+ in existing designs?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, pin configuration, package format, and operating characteristics. No design modifications are required for substitution.

Q: Are there any differences in compliance or certification between these parts?

A: No. Both MAX189CEWE+ and MAX189AEWE+ carry identical RoHS3 compliance, REACH unaffected status, and MSL 1 ratings. Regulatory and environmental compliance is equivalent.

Q: What determines whether a part can substitute for the MAX189CEWE+?

A: Substitution eligibility requires matching all critical parameters: 12-bit resolution, 75 kSPS sampling rate, single-ended 1-input configuration, SAR architecture, external reference type, SPI interface, 5V dual supply, 16-SOIC package, -40°C to 85°C operating range, and RoHS3/MSL 1 compliance.

Q: Are there any package or pinout considerations when substituting these parts?

A: No. Both parts use identical 16-SOIC surface mount packaging with 0.295" width (7.50mm). Pinout and PCB footprint compatibility is guaranteed.

Q: How does inventory status affect part selection?

A: Inventory levels may influence procurement decisions. MAX189CEWE+ currently has 1089 pcs in stock, while MAX189AEWE+ has 1043 pcs available. Both quantities support production requirements; selection should align with supply chain and delivery timeline needs.